A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 6105-01-374-0557
NSN 5835-01-592-2350
NSN 5975-01-399-3079
NSN 5915-01-131-9933
NSN 6105-00-553-8943
NSN 5905-01-569-2318
NSN 6135-00-377-9165
NSN 4140-01-192-6528
NSN 5895-01-014-4524
NSN 4140-01-618-6906
NSN 6220-01-140-9230
NSN 5925-01-522-5370